1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
|
/*
* Copyright (c) 2004 Massachusetts Institute of Technology
*
* Permission is hereby granted, free of charge, to any person
* obtaining a copy of this software and associated documentation
* files (the "Software"), to deal in the Software without
* restriction, including without limitation the rights to use, copy,
* modify, merge, publish, distribute, sublicense, and/or sell copies
* of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be
* included in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
* BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*/
/* $Id$ */
#include<windows.h>
#include<kcreddb.h>
#include<kherror.h>
#include<dynimport.h>
/**************************************/
/* khm_krb5_error(): */
/**************************************/
int
khm_krb5_error(krb5_error_code rc, LPCSTR FailedFunctionName,
int FreeContextFlag, krb5_context * ctx,
krb5_ccache * cache)
{
#ifdef NO_KRB5
return 0;
#else
#ifdef SHOW_MESSAGE_IN_AN_ANNOYING_WAY
char message[256];
const char *errText;
int krb5Error = ((int)(rc & 255));
errText = perror_message(rc);
_snprintf(message, sizeof(message),
"%s\n(Kerberos error %ld)\n\n%s failed",
errText,
krb5Error,
FailedFunctionName);
MessageBoxA(NULL, message, "Kerberos Five", MB_OK | MB_ICONERROR |
MB_TASKMODAL |
MB_SETFOREGROUND);
#endif
if (FreeContextFlag == 1)
{
if (*ctx != NULL)
{
if (*cache != NULL) {
pkrb5_cc_close(*ctx, *cache);
*cache = NULL;
}
pkrb5_free_context(*ctx);
*ctx = NULL;
}
}
return rc;
#endif //!NO_KRB5
}
int
khm_krb5_initialize(khm_handle ident,
krb5_context *ctx,
krb5_ccache *cache)
{
#ifdef NO_KRB5
return(0);
#else
LPCSTR functionName;
int freeContextFlag;
krb5_error_code rc;
krb5_flags flags = 0;
if (pkrb5_init_context == NULL)
return 1;
if (*ctx == 0 && (rc = (*pkrb5_init_context)(ctx)))
{
functionName = "krb5_init_context()";
freeContextFlag = 0;
goto on_error;
}
if(*cache == 0) {
wchar_t wccname[256];
khm_size cbwccname;
if(ident != NULL) {
cbwccname = sizeof(wccname);
do {
char ccname[256];
if(KHM_FAILED(kcdb_identity_get_attrib(ident, L"Krb5CCName", NULL, wccname, &cbwccname)))
break;
if(UnicodeStrToAnsi(ccname, sizeof(ccname), wccname) == 0)
break;
if((*pkrb5_cc_resolve)(*ctx, ccname, cache)) {
functionName = "krb5_cc_resolve()";
freeContextFlag = 1;
goto on_error;
}
} while(FALSE);
}
if (*cache == 0 && (rc = (*pkrb5_cc_default)(*ctx, cache)))
{
functionName = "krb5_cc_default()";
freeContextFlag = 1;
goto on_error;
}
}
#ifdef KRB5_TC_NOTICKET
flags = KRB5_TC_NOTICKET;
#endif
if ((rc = (*pkrb5_cc_set_flags)(*ctx, *cache, flags)))
{
if (rc != KRB5_FCC_NOFILE && rc != KRB5_CC_NOTFOUND)
khm_krb5_error(rc, "krb5_cc_set_flags()", 0, ctx,
cache);
else if ((rc == KRB5_FCC_NOFILE || rc == KRB5_CC_NOTFOUND) && *ctx != NULL)
{
if (*cache != NULL)
(*pkrb5_cc_close)(*ctx, *cache);
}
return rc;
}
return 0;
on_error:
return khm_krb5_error(rc, functionName, freeContextFlag, ctx, cache);
#endif //!NO_KRB5
}
|
